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nim-libp2p
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remove sleepAsync for synchronization

This commit is contained in:
Dmitriy Ryajov 2020-02-12 09:39:32 -05:00
parent 53e163abf2
commit f4e9bc8bfb
1 changed files with 22 additions and 20 deletions
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8
libp2p/stream/bufferstream.nim
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@ -103,14 +103,14 @@ proc pushTo*(s: BufferStream, data: seq[byte]) {.async.} =
## is preserved. ## is preserved.
## ##
try:
await s.lock.acquire() await s.lock.acquire()
var index = 0 var index = 0
while true: while true:
# give readers a chance free up the buffer # give readers a chance free up the buffer
# it it's full. # it it's full.
if s.readBuf.len >= s.maxSize: if s.readBuf.len >= s.maxSize:
await sleepAsync(10.millis) await sleepAsync(1.millis)
while index < data.len and s.readBuf.len < s.maxSize: while index < data.len and s.readBuf.len < s.maxSize:
s.readBuf.addLast(data[index]) s.readBuf.addLast(data[index])
@ -121,11 +121,13 @@ proc pushTo*(s: BufferStream, data: seq[byte]) {.async.} =
s.readReqs.popFirst().complete() s.readReqs.popFirst().complete()
if index >= data.len: if index >= data.len:
break return
# if we couldn't transfer all the data to the # if we couldn't transfer all the data to the
# internal buf wait on a read event # internal buf wait on a read event
await s.dataReadEvent.wait() await s.dataReadEvent.wait()
s.dataReadEvent.clear()
finally:
s.lock.release() s.lock.release()
method read*(s: BufferStream, n = -1): Future[seq[byte]] {.async.} = method read*(s: BufferStream, n = -1): Future[seq[byte]] {.async.} =